Control, isolating and safety transformers absorb short-circuits and ensure safe electrical isolation in the event of a fault. Eaton offers a comprehensive range of transformers that have been built and tested in accordance with IEC/EN 61558. All transformers meet the requirements of insulation class B in accordance with IEC85 and IEC16, which ensures a reliable continuous temperature of 130 °C. A special resin impregnation protects the transformers against corrosion, reduces heat dissipation and minimizes humming. Typical applications of control, isolating and safety transformers include control circuits or PELV circuits. Multi-winding transformers are the perfect combination of control, isolating and safety transformers in a single resilient device.

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Overview Models

Meets all industry standards:

Degree of protection IP00

Suitable for global use:

UL/CSA approvals

Rugged:

-25 °C to +40 °C without derating

Core features

Short-circuit current reduction in the event of a fault
Unearthed auxiliary circuits can be implemented
Reliable electrical isolation
High level of protection in demanding applications, such as wet grinders and air movers for drying concrete
Built and tested in accordance with IEC/EN 61558-2-2/2-4/2-6, UL 5085-2 and CSA 22.2 No. 66
Insulation class B in accordance with IEC 85 and IEC 216
Simple commissioning

STI, STZ and DTZ control, isolating and safety transformers

Eaton's STI, STZ and DTZ control, isolating, and safety transformers absorb short circuits and ensure safe electrical isolation in the event of a fault. Typical applications include control circuits, protective separation, and extra-low voltage systems such as PELV and FELV circuits.

STN control transformers

Commissioning the single-phase STN control transformers is easy. The devices enable maximum machine and system safety and guarantee a reliable operating voltage for control and auxiliary circuits at all times.

UTI multi-winding transformers

Eaton's single-phase multi-winding transformers are the most versatile of their class and offer the perfect combination of control, isolating and safety transformers in a single device. Thanks to their comprehensive approvals they are suitable for global use.

Specifications

Control power transformers models and specifications

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Models and Specifications

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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.

Control power transformers